45457172 has 12 divisors (see below), whose sum is σ = 79951200. Its totient is φ = 22613976.

The previous prime is 45457169. The next prime is 45457189. The reversal of 45457172 is 27175454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27758 + ... + 29349.

It is an arithmetic number, because the mean of its divisors is an integer number (6662600).

Almost surely, 2^45457172 is an apocalyptic number.

It is an amenable number.

45457172 is a deficient number, since it is larger than the sum of its proper divisors (34494028).

45457172 is a wasteful number, since it uses less digits than its factorization.

45457172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57310 (or 57308 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 45457172 is about 6742.1934116428. The cubic root of 45457172 is about 356.8898016604.

The spelling of 45457172 in words is "forty-five million, four hundred fifty-seven thousand, one hundred seventy-two".